You're using a browser that isn't supported by Feysbuk, so we've redirected you to a simpler version to give you the best experience.Gezegenin çekirde?inde meydana gelen çembersel dürüst?mdan kaynaklan?r. Belirli kristaller, kuartzlar ve hatta ?eker bile d?? elya maruz kalm?? oldu?unda, yüzleri aras?nda fark olu?turur. Piezoelektrik, 1880 sene